CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Compressibilities of MnFe2O4 polymorphs
Ye, LJ; Zhai, SM; Wu, X; Xu, CW; Yang, K; Higo, YJ; Zhai, SM (reprint author), Chinese Acad Sci, Inst Geochem, Key Lab High Temperature & High Pressure Study Ea, Guiyang 550002, Guizhou, Peoples R China.
2015
Source PublicationPHYSICS AND CHEMISTRY OF MINERALS
ISSN0342-1791
Volume42Issue:7Pages:569—577
Subtype期刊文献
AbstractThe high-pressure behavior and stability of synthetic jacobsite MnFe2O4 have been investigated up to 39.55 GPa at room temperature by means of in situ synchrotron X-ray diffraction using diamond anvil cell and multi-anvil high-pressure apparatus. The MnFe2O4 spinel undergoes a phase transition at about 18 GPa to form a denser antiferromagnetic CaMn2O4-type (CMafm) polymorph. The CMafm MnFe2O4 is stable up to 39.55 GPa in this study and remains after decompression. Fitting the pressure-volume data using a third-order Birch-Murnaghan equation of state, the isothermal bulk modulus values and the first pressure derivatives were obtained as K-0 = 169.7 (35) GPa, K-0' = 2.87 (40) for spinel-type MnFe2O4 and K-0 = 149.2 (24) GPa, K-0' = 3.98 (19) for CMafm MnFe2O4, respectively. If K-0' is fixed to 4, K-0 was obtained as 160.6 (11) GPa for spinel-type MnFe2O4 and 148.9 (7) GPa for CMafm MnFe2O4. The effects of cation substitution on the isothermal bulk modulus and pressure for phase transition of Fe3+-bearing spinels were discussed.
KeywordHigh-pressure Phase Equation-of-state Ray-powder Diffraction Magnetite Spinel Transition Ferrite Crystal Mgal2o4 Gpa
Indexed BySCI
Language英语
WOS IDWOS:000358940200004
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24886
Collection中科院上海应用物理研究所2011-2019年
Corresponding AuthorZhai, SM (reprint author), Chinese Acad Sci, Inst Geochem, Key Lab High Temperature & High Pressure Study Ea, Guiyang 550002, Guizhou, Peoples R China.
Recommended Citation
GB/T 7714
Ye, LJ,Zhai, SM,Wu, X,et al. Compressibilities of MnFe2O4 polymorphs[J]. PHYSICS AND CHEMISTRY OF MINERALS,2015,42(7):569—577.
APA Ye, LJ.,Zhai, SM.,Wu, X.,Xu, CW.,Yang, K.,...&Zhai, SM .(2015).Compressibilities of MnFe2O4 polymorphs.PHYSICS AND CHEMISTRY OF MINERALS,42(7),569—577.
MLA Ye, LJ,et al."Compressibilities of MnFe2O4 polymorphs".PHYSICS AND CHEMISTRY OF MINERALS 42.7(2015):569—577.
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